As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK INOP IN AUTO ( PACK TEMPERATURE CONTROL SYSTEMS (-200/-300) , AUTO MODE )(<P>TRANSFER TO DMI 143251 IAW MEL 21-51-03-01, CAT C, DUE DATE 13MAR21. </P><P>ACCOMPLISHED ACTION PLAN 19320 PER MCS 8001 REV 0. REMOVED AND REPLACED ACM TEMP CONTROL VALVE PER ACTION PLAN. PACK OPS NORMAL AT THIS TIME. THIS CLEARS MDDR 143251. MCC NOTIFIED. PLAC REMOVED.</P>)